xref: /freebsd/tools/build/depend-cleanup.sh (revision 657729a89dd578d8cfc70d6616f5c65a48a8b33a)
1#!/bin/sh
2#
3# $FreeBSD$
4#
5# Our current make(1)-based approach to dependency tracking cannot cope with
6# certain source tree changes, including:
7# - removing source files
8# - replacing generated files with files committed to the tree
9# - changing file extensions (e.g. a C source file rewritten in C++)
10#
11# We handle those cases here in an ad-hoc fashion by looking for the known-
12# bad case in the main .depend file, and if found deleting all of the related
13# .depend files (including for example the lib32 version).
14#
15# These tests increase the build time (albeit by a small amount), so they
16# should be removed once enough time has passed and it is extremely unlikely
17# anyone would try a NO_CLEAN build against an object tree from before the
18# related change.  One year should be sufficient.
19
20OBJTOP=$1
21if [ ! -d "$OBJTOP" ]; then
22	echo "usage: $(basename $0) objtop" >&2
23	exit 1
24fi
25
26# $1 directory
27# $2 source filename w/o extension
28# $3 source extension
29clean_dep()
30{
31	if [ -e "$OBJTOP"/$1/.depend.$2.pico ] && \
32	    egrep -qw "$2\.$3" "$OBJTOP"/$1/.depend.$2.pico; then \
33		echo "Removing stale dependencies and objects for $2.$3"; \
34		rm -f \
35		    "$OBJTOP"/$1/.depend.$2.* \
36		    "$OBJTOP"/$1/$2.*o \
37		    "$OBJTOP"/obj-lib32/$1/.depend.$2.* \
38		    "$OBJTOP"/obj-lib32/$1/$2.*o
39	fi
40	if [ -e "$OBJTOP"/$1/.depend.$2.o ] && \
41	    egrep -qw "$2\.$3" "$OBJTOP"/$1/.depend.$2.o; then \
42		echo "Removing stale dependencies and objects for $2.$3"; \
43		rm -f \
44		    "$OBJTOP"/$1/.depend.$2.* \
45		    "$OBJTOP"/$1/$2.*o \
46		    "$OBJTOP"/obj-lib32/$1/.depend.$2.* \
47		    "$OBJTOP"/obj-lib32/$1/$2.*o
48	fi
49}
50
51# Date      Rev      Description
52# 20200310  r358851  rename of openmp's ittnotify_static.c to .cpp
53clean_dep lib/libomp ittnotify_static c
54# 20200414  r359930  closefrom
55clean_dep lib/libc   closefrom S
56
57# 20200826  r364746  OpenZFS merge, apply a big hammer (remove whole tree)
58if [ -e "$OBJTOP"/cddl/lib/libzfs/.depend.libzfs_changelist.o ] && \
59    egrep -qw "cddl/contrib/opensolaris/lib/libzfs/common/libzfs_changelist.c" \
60    "$OBJTOP"/cddl/lib/libzfs/.depend.libzfs_changelist.o; then
61	echo "Removing old ZFS tree"
62	rm -rf "$OBJTOP"/cddl "$OBJTOP"/obj-lib32/cddl
63fi
64
65# 20200916  WARNS bumped, need bootstrapped crunchgen stubs
66if [ -e "$OBJTOP"/rescue/rescue/rescue.c ] && \
67    ! grep -q 'crunched_stub_t' "$OBJTOP"/rescue/rescue/rescue.c; then
68	echo "Removing old rescue(8) tree"
69	rm -rf "$OBJTOP"/rescue/rescue
70fi
71
72# 20210105  fda7daf06301   pfctl gained its own version of pf_ruleset.c
73if [ -e "$OBJTOP"/sbin/pfctl/.depend.pf_ruleset.o ] && \
74    egrep -qw "sys/netpfil/pf/pf_ruleset.c" \
75    "$OBJTOP"/sbin/pfctl/.depend.pf_ruleset.o; then
76	echo "Removing old pf_ruleset dependecy file"
77	rm -rf "$OBJTOP"/sbin/pfctl/.depend.pf_ruleset.o
78fi
79
80# 20210108  821aa63a0940   non-widechar version of ncurses removed
81if [ -e "$OBJTOP"/lib/ncurses/ncursesw ]; then
82	echo "Removing stale ncurses objects"
83	rm -rf "$OBJTOP"/lib/ncurses "$OBJTOP"/obj-lib32/lib/ncurses
84fi
85
86# 20210608  f20893853e8e    move from atomic.S to atomic.c
87clean_dep   cddl/lib/libspl atomic S
88# 20211207  cbdec8db18b5    switch to libthr-friendly pdfork
89clean_dep   lib/libc        pdfork S
90
91# 20211230  5e6a2d6eb220    libc++.so.1 path changed in ldscript
92if [ -e "$OBJTOP"/lib/libc++/libc++.ld ] && \
93    fgrep -q "/usr/lib/libc++.so" "$OBJTOP"/lib/libc++/libc++.ld; then
94	echo "Removing old libc++ linker script"
95	rm -f "$OBJTOP"/lib/libc++/libc++.ld
96fi
97
98# 20220326  fbc002cb72d2    move from bcmp.c to bcmp.S
99if [ "$MACHINE_ARCH" = "amd64" ]; then
100    clean_dep lib/libc bcmp c
101fi
102
103# 20220524  68fe988a40ca    kqueue_test binary replaced shell script
104if stat "$OBJTOP"/tests/sys/kqueue/libkqueue/*kqtest* \
105    "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.kqtest* >/dev/null 2>&1; then
106	echo "Removing old kqtest"
107	rm -f "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.* \
108	   "$OBJTOP"/tests/sys/kqueue/libkqueue/*
109fi
110
111# 20221115  42d10b1b56f2    move from rs.c to rs.cc
112clean_dep   usr.bin/rs      rs c
113